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vnf.py

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Source

osmclient/sol005/vnf.py
1 # Copyright 2018 Telefonica
2 #
3 # All Rights Reserved.
4 #
5 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
6 #    not use this file except in compliance with the License. You may obtain
7 #    a copy of the License at
8 #
9 #         http://www.apache.org/licenses/LICENSE-2.0
10 #
11 #    Unless required by applicable law or agreed to in writing, software
12 #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 #    License for the specific language governing permissions and limitations
15 #    under the License.
16
17 0 """
18 OSM vnf API handling
19 """
20
21 0 from osmclient.common import utils
22 0 from osmclient.common.exceptions import NotFound
23 0 import logging
24 0 import json
25
26 0 class Vnf(object):
27
28 0     def __init__(self, http=None, client=None):
29 0         self._http = http
30 0         self._client = client
31 0         self._logger = logging.getLogger('osmclient')
32 0         self._apiName = '/nslcm'
33 0         self._apiVersion = '/v1'
34 0         self._apiResource = '/vnfrs'
35 0         self._apiBase = '{}{}{}'.format(self._apiName,
36                                         self._apiVersion, self._apiResource)
37
38 0     def list(self, ns=None, filter=None):
39         """Returns a list of VNF instances
40         """
41 0         self._logger.debug("")
42 0         self._client.get_token()
43 0         filter_string = ''
44 0         if filter:
45 0             filter_string = '?{}'.format(filter)
46 0         if ns:
47 0             ns_instance = self._client.ns.get(ns)
48 0             if filter_string:
49 0                 filter_string += ',nsr-id-ref={}'.format(ns_instance['_id'])
50             else:
51 0                 filter_string = '?nsr-id-ref={}'.format(ns_instance['_id'])
52 0         _, resp = self._http.get2_cmd('{}{}'.format(self._apiBase,filter_string))
53         #print('RESP: {}'.format(resp))
54 0         if resp:
55 0             return json.loads(resp)
56 0         return list()
57
58 0     def get(self, name):
59         """Returns a VNF instance based on name or id
60         """
61 0         self._logger.debug("")
62 0         self._client.get_token()
63 0         if utils.validate_uuid4(name):
64 0             for vnf in self.list():
65 0                 if name == vnf['_id']:
66 0                     return vnf
67         else:
68 0             for vnf in self.list():
69 0                 if name == vnf.get('name'):
70 0                     return vnf
71 0         raise NotFound("vnf {} not found".format(name))
72
73 0     def get_individual(self, name):
74 0         self._logger.debug("")
75 0         self._client.get_token()
76 0         vnf_id = name
77 0         if not utils.validate_uuid4(name):
78 0             for vnf in self.list():
79 0                 if name == vnf['name']:
80 0                     vnf_id = vnf['_id']
81 0                     break
82 0         try:
83 0             _, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, vnf_id))
84             #print('RESP: {}'.format(resp))
85 0             if resp:
86 0                 return json.loads(resp)
87 0         except NotFound:
88 0             raise NotFound("vnf '{}' not found".format(name))
89 0         raise NotFound("vnf '{}' not found".format(name))